Questions tagged [file-compression]
Software that compresses or shrinks the file size of other files (or interacts with other software doing so).
62
questions
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19 views
C++ loading compressed file to memory and reading/extracting particular files within
I am looking for a lossless archive/compression library that supports random-access extraction of particular files, and would also like to perform such extraction in C++, meaning from C++ executable:
...
0
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1answer
23 views
Autoextract zip files on Windows like Mac OS
Is there a program I can get for Windows that simply extracts zip files I open in the same place with its own folder just like Mac OS?
0
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0answers
22 views
Software to compress PDF
I would like to compress a PDF file. The PDF size should be smaller than 1MB. Do you know a software that allow to compress PDF files to a given compressed size?
0
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0answers
6 views
Looking for an Mac application to browse and modify compressed archive files
I'm in the process of switching from Windows to Mac OS at work. I've spent a little time looking, but I've been unable to find a good program for browsing and modifying archive files (like zip and ...
0
votes
1answer
35 views
Achieve better compression ratio on 7zip compression
I use an open source compression software named Peazip running on a Intel Core i5-8250U @1.6 GHz processor. However, I have tried compressing files to 7z many times but the compression ratio is hardly ...
1
vote
1answer
34 views
PDF Compression: Lossless or near-lossless compression options?
I'm looking for a tool for macOS (Windows and Linux would also be nice) that will compress PDFs with a lossless or near-lossless methodology.
There is an interesting discussion for ImageOptim PDF ...
0
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0answers
8 views
Windows program for automatic image compression
I have a folder that has a lot of images within side it and new images are often put inside there.
However, the images are of high quality and they do not need to be. Thus taking up a lot of extra ...
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0answers
4 views
Which algorithm can be used to compress image files ? Suggest any Python based algorithm
Currently I am working on a monitoring project.It captures the activity of user by taking screenshots and saving it in a folder. Later on I am applying image processing to identify the activity of ...
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0answers
9 views
Library for compressed files in java
I need a java library that can handle at least 7z, zip, wim, tar (rar would be nice).
Thing that I need the most is checking if file is password protected but it would be great to be able to unpack ...
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0answers
25 views
Guacamole recording
I'm using Guacamole project to provide a vnc proxy.
I followed the Documentation to record a vnc session. it produce a file for me named "recording" without any format. I know I can use guacenc to ...
0
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0answers
11 views
Free and GUI program to create separate compressed file archives (e.g., .zip or .7z) for each selected file/directory
I'm looking for a GUI, free program for Microsoft Windows 7 or 10 that can create separate compressed file archives (e.g., .zip or .7z) for each selected file/directory.
For example, if I select 10 ...
0
votes
0answers
8 views
Command line Software to compress images
I need a command line software (preferrably) which can compress photos to a given maximum size so that I can easily upload it to websites.
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0answers
35 views
compression video file before store in server in django
I have a web app that user can upload video . now i need to compression uploaded video and store it but i don't know what is best package or best solution for. it's my first time that i want do ...
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0answers
19 views
Tool to convert large Mozilla LZ4 files to plain text?
TL;DR: I am seeking for software to turn Mozilla's headacheful LZ4 garbage into usable plain text.
There is already a scrounger for Mozilla LZ4, which even is supposed to work offline when saving the ...
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0answers
5 views
Which distro supporting ZFS is currently most performant?
I am setting up a networked system for acquiring a large number of streamed camera images (up to 3GB/s of raw tif files; up to 2TB per experimental acquisition). The host that acquires the data will ...
0
votes
1answer
100 views
What is an alternative for tar (compressor)?
I have a 200MB file. I want to compress this into a small file. Now I'm using TAR. but it only compresses word-like files, not binary files. So, I'm searching an alternative tool for tar to compress ...
0
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0answers
29 views
What Linux software to decompress file with TXT extension?
Client sent me a compressed file with TXT extension. At first i thought it is not an archive file. But when i used 7-zip (Windows) to look inside it, i can see files inside but Linux. I have tried so ...
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0answers
12 views
Windows Explorer that open popular zip files like normal files and folders
Noted that the Windows Explorer in Windows 8, 8.1, 10 are able to open zip files and treat them like normal files and folders.
So, was wondering if there is a better than Windows Explorer that ...
0
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1answer
123 views
Android tools for unzipping corrupt zip files
I had searched for some tools that can unzip files from a large corrupt zip file on android.
I couldn't, so now I learned how to use ZipInputStream in java.
Now I want to share the fruit of my tiny ...
1
vote
1answer
101 views
General-purpose CLI compression program with good integrity check in Linux
As the title says I am in search for a good, defined as the best available, general-purpose command-line compression program with good integrity check in Linux.
These archives will be used for long ...
1
vote
1answer
50 views
A single cmd app to support multiple compression format
As you know by default there is one program (command) for each compression format and unfortunately, some of them use a different command for data extraction.
I would like to memorize a single app ...
2
votes
0answers
12 views
Any library in Java or Python for storing lots of small objects in AWS S3 “intelligently”?
I need to store a lot objects in S3, and I need to be able to address each object fairly quickly (maximum of 2 GETs to find one object) and I don't want to be wasteful when comes to the number of PUT ...
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0answers
18 views
on-the-fly compressed volumes for Windows
I am looking for a freeware Windows tool that provides on-the-fly compressed virtual drives stored in files (similar to TrueCrypt disks).
The virtual drive should offer random access and should be ...
5
votes
1answer
82 views
Compressing many similar large images?
I'm dealing with a large archive of satellite images of the Earth, each one taken 15 minutes apart over the same area, therefore they are quite similar to each other. Two contiguous ones look like ...
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0answers
43 views
Zipster alternative for macOS High Sierra
Zipster integrates support for browsing compressed files on macOS Finder but it's been discontinued. The website says:
Support for this product has ended. There are known problems with this
...
4
votes
2answers
142 views
Which compression utility should I use for an extremely large plain text file?
I have a lot of data. A lot. My data file is a little under 2TB (terabytes) of line-separated plain text records, each about 4 or 5 KB (totaling to a few hundred million records).
I'm prioritizing ...
0
votes
0answers
93 views
How to convert to/from a CorelDraw .WI wavelet-compressed image file
I have a large sample of .WI images I need to convert to e.g. JPEGs, but the format now seems defunct.
The mimetype is image/wavelet.
The compression algorithm was developed by Summus, a US company ...
2
votes
1answer
55 views
Differential compression software
Suppose these:
Everyone in the world (or at least my audiences) has downloaded the file ubuntu-16.04.3-desktop-amd64.iso with md5sum of 0d9fe8e1ea408a5895cbbe3431989295 which is approximately 1.5GB ...
2
votes
1answer
41 views
Open source smart extract
I would like a program that:
If top layer of archive is just single item, then extract here
If top layer of archive is several items, then extract to new folder
I see these:
http://softwarerecs....
0
votes
1answer
514 views
Transparent file compression apps for macOS
I'm looking for app for macOS Sierra and above which would allow me to compress files transparently in the background to increase free space which works for macOS Sierra and above.
Basically I'm ...
3
votes
5answers
411 views
Software to compress PDF files
The other similar question is not related to my question and didn't provide answers at all.
So I'm looking for a freeware or opensource software that can compress my 1GB+ PDF files into a reasonable ...
0
votes
2answers
39 views
Secure File Storage
I have some file I want to store that I do not want to be readable with out proper software or conversion. I used to ZIP file until Windows 7 Started to scan the zip file and "Remove Viruses". The ...
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0answers
84 views
C++ library to compress files with password protection
I would like to ask for any recommendation for good C++ library to compress files/folders (usually the libs are stream oriented without good file support).
Currently we use minizip (based on zlib) ...
2
votes
0answers
22 views
different methods for rar archives [closed]
When I pack my data to .rar archive, I usually make backup original data. But last time I forgot about backup, and when I opened .rar file, I got - Invalid or corrupt authenticity information. Someone,...
1
vote
1answer
61 views
Reducing the file size of scanned letters
History
This is a follow up to and old question from StackOverflow scale and reduce colors to reduce file size of scan
Unfortunately convert of imagemagick is too slow (Sometimes our system receives ...
-1
votes
1answer
47 views
What's the best Windows archive tool (WinRAR, WinZip, etc)? [closed]
I have some data that has been downloaded with the extension .zip or .gz. I always have had WinRAR software installed on my computer and I was always able to uncompress such files.
But last night I ...
0
votes
1answer
528 views
Minification: Renaming/shortening CSS selectors?
I've been looking for tools that minify HTML, CSS and JS together. With that being said, I don't mean just whitespace and comment removal, but also shortening of selectors.
For example
<div ...
3
votes
1answer
68 views
Is there a unified wrapper for python's archive compresson packages?
Python supports a lot of archive formats. I personally know of tar (which supports gzip and bz2), zlib, rar, zip, lzma and 7z.
I find it a bit tedious and error-prone to do auto-detection of these ...
1
vote
1answer
64 views
Need a Software to compress videos
I have many videos that I want to compress. I've tried 7z. But it could only marginally compress a 188 MB video to a 184 MB archive.
Are there any better available alternatives??
I'm willing to ...
2
votes
1answer
55 views
Software to compress, and browse, a website with 1000s of pages
I have a local copy of a website with 98,000 pages (I just checked). The uncompressed size is somewhere around 8gb. I'd like to put it all in one file maybe, and compress it, then just use a standard ...
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0answers
25 views
Archive file format / viewer that works like ordinary folders
I want to be able to create archive files that should work as ordinary folders, for example:
- use 0% compression so that browsing/adding files in the archive is instant
- preview thumbnails of ...
2
votes
1answer
467 views
PDF compressor software to host on your own server
Goal
A web-based open source software to compress PDF files, to submit files via a browser, but to install on my own Linux server and use its processing power.
Requirements
A web interface. A ...
1
vote
1answer
117 views
Ultimate tool to transfer bytes (copy files, compress, upload, etc)
It will be a long story :)
For the last decade the engineering team (us) have maintained homebrew tool for deployment engineering team written in C# to transfer files across datacenters and recently, ...
3
votes
1answer
67 views
Software that can archive files in a directory into multiple zip files, each holding 10 files
I'm looking for archive software with these requirements:
Ability to archive files into multiple .zip files, each holding a max of 10 files
Compatible with Windows 10
1
vote
0answers
21 views
Reed-Solomon encoder/decoder
Do you know any free software performing real Reed-Solomon coding/decoding? Or maybe a library that can be utilized to encode and/or decode files with Reed-Solomon algorithm?
4
votes
1answer
312 views
Open source archiver with integrated Error Correction Code
Is there an open source archiver with integrated error correction code? (preferably windows 7, linux is ok, too)
presently the most stable procedure for me seems to be archiving with 7z and then ...
2
votes
0answers
49 views
What tools are available for managed file transfer?
I'm looking for some good examples of Managed File Transfer tools.
This is in an enterprise / corporate setting, where we wish to automate some recurring file transfer tasks. Our bunch of cobbled ...
4
votes
3answers
83 views
Program that zips a group of files into sized chunks, each openable individually
I am looking for a Windows program that can zip a large group of files up and save them to multiple zip files, each (say) no more than 100 MB.
It is critical however that any single zipfile can be ...
1
vote
0answers
19 views
Parallelized compression libraries with API
I have written a C application which uses libbzip2 to compress and extract some statistical data.
The extraction times are excessive for large-scale datasets. Therefore, I am looking for C or C++ ...
1
vote
0answers
51 views
Lossless compressing software that grants best compression ratio for everyday purpose and/or for specific tasks
Hello there everybody.
My question should be rather simple for "insiders" (or I hope so at least), so here is the matter: as far as I know and understand, 7zip is currently the best lossless ...
